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45,075
RESULTS

Media Type
1
collections
44,001
texts
374
audio
355
movies
334
images
9
data
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Topics & Subjects
39,446
Pollution
38,550
EPA
38,540
Environmental Protection Agency
38,540
Mining
38,538
Gold King Mine
38,538
Gold King Mine disaster
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Collection
38,555
National Security Internet Archive (NSIA)
2,052
NASA Network Resource and Training Site
1,018
Education Resources Information Center (ERIC) Archive
903
American Libraries
665
Defense Technical Information Archive
346
NASA Images
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Creator
38,538
environmental protection agency
2,052
nasa technical reports server (ntrs)
1,018
eric
691
defense technical information center
320
nasa/langley research center
125
water resources scientific information center
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Language
44,150
English
17
French
10
German
7
Hindi
7
Spanish
3
Chinese
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